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Julia O'neill Missing Person Case

Last seen in Lake Geneva, Wisconsin on Jun 18, 1997

Victim Details

Mar 15, 2018

Jan 12, 2024

Julia

O'neill

60

31

68 inches

69 inches

135 lbs

140 lbs

White / Caucasian

Female

Jun 18, 1997

Lake Geneva

Wisconsin

Walworth County

53147

32066

New Berlin Police Department

New Berlin

Wisconsin

Waukesha County

53151

Greg Godec

Deputy Chief

16300 West National Avenue, Wisconsin

2627826640

Local

Law Enforcement

http://www.newberlin.org/

1999 - 8783 / E18008297

May 20, 1999

New Berlin Police Department

na

Brown

Green

Green

Sep 30, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP42641) and 8 other sources
Julia Ann O'Neill, a 31-year-old woman from Lake Geneva, Wisconsin, was last seen on June 18, 1997. She is described as being 5'8" to 5'9" tall, weighing approximately 135 pounds, with brown hair and green eyes. Notably, Julia has five-inch scars on both sides of her right knee. On the day of her disappearance, few details were available, and she has not been seen or heard from since.

At the time of her disappearance, Julia was residing in Lake Geneva. The circumstances surrounding her case remain unclear, with no substantial leads or clues regarding her whereabouts surfacing over the years. Julia's case remains open and unsolved, and authorities continue to seek information from the public. She would now be in her 50s.

The New Berlin Police Department, along with the Linn Police Department, is handling the investigation. Anyone with information is encouraged to contact them, as Julia's case is still considered an active missing persons investigation.
Last Seen: Jun 18, 1997

Links to Additional Sources (8)

See any mistakes? Let us know!
  • Missing Person / NamUs
  • Julia A. O'Neill | Clearinghouse for Missing
  • Julia Ann O'Neill - Wisconsin Missing Persons Advocacy Inc's
  • Julia O'Neill... - Wisconsin Missing Persons Advocacy
  • Julia Ann O'Neill - The Charley Project
  • JULIA ANN O'NEILL: Missing from Lake Geneva
  • 4919DFWI - Julia Ann O'Neill - Doe Network
  • Julia O'Neill, 31, Lake Geneva, 18 June 1997 | Page 2 | Websleuths

    • Possible Unidentified Matches (1)

    Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

    79%Possible
    Jane Doe — Chicago, Illinois
    UP138168 • Found Apr 19, 2001
    View case
    Sex ✓Female
    Age 100%Est. 30–45 vs 31 when missing
    Race 100%White
    Location 85%64 mi away
    TimingFound 4 years after last seen
    Height 84%5'6" vs 5'8"–5'9"
    Weight 100%139 lb vs 135–140 lb

    These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

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    Forum Posts (3)

    Has anyone else been digging into Julia Ann O'Neill's case lately? One detail that recently caught... ...Read More
    12/01/2024
    Hey everyone, I was digging through some old files about cold cases and came across Julia Ann... ...Read More
    01/10/2024
    I've been looking into Julia Ann O'Neill's case and found something curious. Has anyone else noticed... ...Read More
    02/02/2023

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